Vary the way you connect ideas - INSTEAD of using conjunctions and other linking words, you can use preposition phrases
Giving a source -
Giving a reason -
Making an exception -
as well as
Giving another option -
Now look at these sample sentences
1.Based on research that I carried out in Ethiopia, I can conclude that the destruction of deserts can be reversed.
2.Visitors rarely go to the research station due to its extremely remote location.
3.According to the Economist magazine, share prices fell sharply last month.
4.The engineers decided to use solar power instead of a conventional battery.
5.The doctors used strong medication as well as lots of liquid to cure the patients.
6.The phone is assembled almost entirely by machines, except for the outer case.
**Note - all the prepositions are followed by NOUN PHRASES.